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Committee as entry point #493

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@MatheusFranco99 MatheusFranco99 commented Aug 28, 2024

Overview

This PR makes the Committee structure the entry point in the SSV module.

Before, we had both Committee and Validator as distinct entry points. Now, Committee holds Validator objects and redirects messages and duty-start events to the appropriate validator object.

Extra changes

As refactoring, this PR also:

  • drops unused attributes of the Validator structure
  • refactors the previous ProcessMessage function existent in Committee and Validator to a unique one to avoid duplicated knowledge

Added tests

  • Unknown duty type
  • Unknown validator for committee
  • Message validation: empty data
  • Message validation: unknown MsgType

Note

For the test case of a message with MessageID that doesn't belong to either the committee or to a validator, we already had the WrongMessageID test. Thus, we simply aligned the error string.

Closes #451

y0sher and others added 22 commits July 22, 2024 16:23
* Filter shares for slot `CommitteeRunner` based on validators that have duty for that slot.

* Filter duty and create share map according to owned validators

* Add test: start duty with no shares for duty's validators

* Add test: happy flow for committee with fraction of duty's validators

* Generate JSON tests

* Apply suggestions

---------

Co-authored-by: MatheusFranco99 <[email protected]>
* Update go1.20 to go1.22

* Update go.sum with mod tidy
* Update dependencies

* Fix lint issue

* Generate JSON tests to trigger actions

* Update fastssz

* Generate JSON tests and align ssz error

* Revert go-eth2-client version change

* Revert fastssz upgrade

* Generate SSZ and JSON tests
* Solve potential file inclusion via variable

* Fix file permission (0644 to 0600)

* Add nosec comment for PRNG (pseudo-random number generator) used for testing

* Fix lint issue on nil check in []byte type

* Update permission from 0444 to 0600

* Update 0444 to 0400
* Remove nolint comment and export timeout variables

* Drop unnecessary nolint

* Add comment

* Fix lint issue
* Add share length validation in runner construction

* Align to error handling in runners constructions

* Add validation to committee runner

* Add runner construction tests

* Refactor runner construction in testingutil to deal with creation errors

* Generate JSON tests

* Fix lint issue

* Fix comments
* Remove redundant validation

* Align error string
* Sort signers in decided message

* Add test for sorted signers in decided msg

* Generate JSON tests

* Fix lint issue
* Stop processing consensus messages after instance is decided

* Align error in qbft tests

* Align errors in ssv tests

* Generate JSON tests

* Fix lint issue
* Remove leftover err check

* Align argument variable name to type
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2 participants